An aerosol-generating device and system therefor

Abstract

The application discloses an aerosol generating device for heating an aerosol generating article to generate an aerosol, characterized by comprising a power supply and a heating assembly, wherein the power supply is configured to supply power to the heating assembly; the heating assembly comprises an electromagnetic induction emitter (200), a first induction heating body and a second induction heating body, wherein the first induction heating body and the second induction heating body are located inside the heating aerosol generating article (600) when the heating aerosol generating article (600) is in a normal use position; the electromagnetic induction emitter (200) can generate an alternating electromagnetic field to cause the first induction heating body and the second induction heating body to generate heat by induction, thereby heating the aerosol generating article.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of new tobacco, in particular to an aerosol generating device and system thereof. BACKGROUND

[0002] Heated cigarettes are a type of new tobacco product and are a choice for consumers to reduce the harm caused by traditional tobacco. Traditional cigarettes are usually cigarettes arranged in a random order. In the development of new tobacco, in order to maximize the retention of the flavor of traditional tobacco, one direction of development is to directly improve the heatable on the basis of traditional cigarettes. However, the technical problem that follows is that the random order of cigarettes is difficult to insert compared to existing internal heating smoking devices, and external heating smoking devices have the problem of insufficient heating.

[0003] The current market heating cigarette appliances mainly use the principle of resistance heating. The heating methods mainly include internal core heating, peripheral heating and internal and external mixed heating. The smoking device with internal core heating usually uses a needle-shaped heating body to facilitate the insertion of the cigarette. The cross-sectional area of the heating body needs to be small, so that the tobacco medium close to the heating body is overheated during the heating process, and the tobacco medium far from the heating body is difficult to be heated, resulting in uneven heating of the cigarette.

[0004] Increasing the contact area between the heating body and the tobacco medium can optimize the above problems, but directly changing the shape of the heating body to increase the contact area will make it difficult to insert the cigarette. At the same time, changing the shape of the resistance heating body, as each heating body needs to be connected to the power system, any change to the heating body is likely to result in too complex wiring inside the smoking device, which is not conducive to the miniaturization and stable operation of the appliance.

[0005] Therefore, in order to increase the heating area of the aerosol generating article to fully heat the tobacco medium without increasing the complexity and volume of the aerosol generating device, a new type of aerosol generating device needs to be developed. SUMMARY

[0006] The purpose of the present application is to increase the heating area of the aerosol generating article to fully heat the tobacco medium without increasing the complexity and volume of the aerosol generating device, and to develop a new type of aerosol generating device.

[0007] To solve the above technical problems, the present application adopts the following technical solutions:

[0008] An aerosol generating apparatus is used to heat an aerosol generating product to generate an aerosol. It is characterized by comprising a power supply and a heating component, wherein the power supply supplies power to the heating component; the heating component includes an electromagnetic induction emitter and an inductor, the inductor including a first induction heating element and a second induction heating element; when the heated aerosol generating product is in its normal use position, the first and second induction heating elements are located inside the heated aerosol generating product; the electromagnetic induction emitter can generate an alternating electromagnetic field to induce heating in the first and second induction heating elements, thereby heating the aerosol generating product.

[0009] Furthermore, the ratio of the spacing between the first induction heating element and the second induction heating element to the diameter of the aerosol-generating article is at least 1:7.

[0010] Furthermore, the ratio of the radial length of the first induction heating element and / or the second induction heating element to the diameter of the aerosol-generated product is 1:5 to 1:2.

[0011] Furthermore, it also includes a third induction heating element, wherein the first, second, and third induction heating elements are circumferentially uniformly distributed; the ratio of the diameter of the circumscribed circle formed by the first, second, and third induction heating elements to the diameter of the aerosol-generating product is 6:7 to 9:10; and the ratio of the diameter of the inscribed circle formed by the first, second, and third induction heating elements to the diameter of the aerosol-generating product is 1:7 to 3:7.

[0012] Furthermore, it also includes a fourth induction heating element, which is located at the center of the first induction heating element, the second induction heating element and the third induction heating element; the fourth induction heating element is a needle heater.

[0013] Furthermore, it also includes a third induction heating element and a fourth induction heating element, wherein the first, second, third, and fourth induction heating elements are circumferentially uniformly distributed; the ratio of the diameter of the circumscribed circle formed by the first, second, third, and fourth induction heating elements to the diameter of the aerosol-generating product is 6:7 to 9:10; and the ratio of the diameter of the inscribed circle formed by the first, second, third, and fourth induction heating elements to the diameter of the aerosol-generating product is 1:7 to 3:7.

[0014] Furthermore, the first induction heating element, the second induction heating element, the third induction heating element, and the fourth induction heating element are plate heaters; the first induction heating element and the third induction heating element are on the same plane; the second induction heating element and the fourth induction heating element are on the same plane or perpendicular to each other.

[0015] Furthermore, the first induction heating element and the second induction heating element are provided with puncture tips at their tops, and the angle of the puncture tips does not exceed 30°.

[0016] Furthermore, it also includes an extractor, the extractor having a through hole at its bottom for the induction heating element to pass through; the extractor and the aerosol generating device are fitted with a limiting device to limit the installation direction of the extractor.

[0017] Furthermore, the first induction heating element and the second induction heating element are integrally formed.

[0018] Furthermore, it also includes a base for fixing the first induction heating element and the second induction heating element. The first induction heating element and the second induction heating element are connected by a base connecting part, which is disposed inside the base.

[0019] Furthermore, the base is provided with a limiting connection structure to ensure that the first induction heating element and the second induction heating element are installed on the aerosol generating device in one or more fixed directions.

[0020] Furthermore, the base is provided with a slot for assembling the base connecting part.

[0021] Furthermore, the base includes a first heating element bracket and a second heating element bracket, which cooperate to fix the base connecting part to the base.

[0022] Furthermore, it also includes a temperature sensor, which is disposed in the cavity formed by the first heating element support and the second heating element support, and is in close contact with the base connection portion.

[0023] Furthermore, a support member is provided between the temperature sensor and the base.

[0024] An aerosol generation system includes any of the above-described aerosol generation devices and an aerosol generation article for the aerosol generation device, wherein the aerosol generation article includes an aerosol generation section, and the aerosol generation section has a disordered structure.

[0025] A method for manufacturing a sensor for any of the above-mentioned aerosol generating devices, characterized in that the first induction heating element and the second induction heating element are integrally connected by a base connecting part, and the manufacturing method includes: step 1: cutting the sheet material into a planar unfolded shape in which the first induction heating element and the second induction heating element are integrally connected by the base connecting part; step 2: bending the first induction heating element and the second induction heating element to the working position near the base connecting part.

[0026] The technical effects of this invention are as follows:

[0027] (1) Without increasing the complexity and volume of the heating device, the heating area of ​​the aerosol-generating product is increased by designing the shape and arrangement of the induction heating components, so that it is heated evenly and fully;

[0028] (2) Due to its electromagnetic heating method and the high contact area structure of the inductor, the heating temperature required by this aerosol generating device is lower than that of traditional core resistance heating smoke appliances, which improves the safety of the appliance and reduces power consumption.

[0029] (3) The size, shape and arrangement of the heating components are more conducive to the insertion of disordered tobacco sticks compared with the prior art;

[0030] (4) The relative positions of the electromagnetic induction transmitter, the inductor and the temperature sensor ensure the independence and accuracy of the heating temperature monitoring.

[0031] (5) The first induction heating element, the second induction heating element and other possible induction heating elements of the sensor are integrally formed and connected to each other through the base connection part. Therefore, the area surrounded by multiple heating elements can be used as an effective magnetic flux area, which can greatly increase the intensity of the induced electromotive force compared to multiple independent heating elements.

[0032] (6) The structure of the integrated induction heating element is manufactured by punching and bending, which greatly reduces the complexity of the process and the production cost;

[0033] (7) The sensor is formed by cold working, which avoids the influence of high temperature processing on the magnetic permeability of materials such as stainless iron;

[0034] (8) The base and support provide a robust, stable and simple mounting structure for the temperature sensor and the sensor unit;

[0035] In summary, the present invention provides an aerosol generating device that is easy to operate, low in cost, produces excellent smoke, and is small in size. Attached Figure Description

[0036] The above-described technical content of the present invention and the following detailed embodiments will be better understood when read in conjunction with the accompanying drawings. It should be noted that the drawings are merely examples of the claimed technical solutions. In the drawings, the same reference numerals represent the same or similar elements.

[0037] Figure 1 This is a cross-sectional view of a heating component according to an embodiment of the present invention;

[0038] Figure 2 This is a three-dimensional schematic diagram of an induction heating element according to an embodiment of the present invention;

[0039] Figure 3-A This is a three-dimensional schematic diagram of an induction heating element (in unfolded state) in one embodiment of the present invention;

[0040] Figure 3-B This is a three-dimensional schematic diagram of an induction heating element (folded state) in one embodiment of the present invention;

[0041] Figure 4 This is a three-dimensional schematic diagram of the base in one embodiment of the present invention;

[0042] Figure 5 This is a three-dimensional schematic diagram of the base and the induction heating element in one embodiment of the present invention;

[0043] Figure 6 This is a cross-sectional view of a heating component according to an embodiment of the present invention;

[0044] Figure 7-A This is a schematic diagram of an induction heating element and a base in one embodiment of the present invention;

[0045] Figure 7-B This is a schematic diagram of an induction heating element and a base in one embodiment of the present invention;

[0046] Figure 7-C This is a schematic diagram of an induction heating element and a base in one embodiment of the present invention;

[0047] Figure 7-D This is a schematic diagram of an induction heating element and a base in one embodiment of the present invention;

[0048] Figure 8-A yes Figure 7-A A top-down view;

[0049] Figure 8-B yes Figure 7-B A top-down view;

[0050] Figure 8-C yes Figure 7-C A top-down view;

[0051] Figure 8-D yes Figure 7-D A top-down view;

[0052] Figure 9 This is a three-dimensional schematic diagram of the extractor in one embodiment of the present invention;

[0053] Figure 10 This is a three-dimensional schematic diagram of the main body of the smoking device according to an embodiment of the present invention;

[0054] Figure 11 This is a cross-sectional view of a heating smoke appliance according to an embodiment of the present invention;

[0055] Figure 12 This is a comparison chart of the no-load temperature curves of a heated smoking device and a commercially available smoking device in one embodiment of the present invention.

[0056] The reference numerals in the attached figures are explained as follows:

[0057] 100 Heated smoke appliances

[0058] 200 Electromagnetic Induction Transmitter

[0059] 201 Coil Support

[0060] 300 sensors

[0061] 301 First Induction Heating Element

[0062] 302 Second Induction Heating Element

[0063] 303 Third Induction Heating Element

[0064] 304 Fourth Induction Heating Element

[0065] 305 piercing tip

[0066] 306 interval

[0067] 307 Base Connection Part

[0068] 400 base

[0069] 401 Card Slot

[0070] 402 Limiting Connection Structure

[0071] 403 First heating element support

[0072] 404 Second Heating Element Support

[0073] 405 High Temperature Resistant Silicone

[0074] 406 Second High Temperature Resistant Silicone

[0075] 500 Extractor

[0076] 501 Through Hole

[0077] 502 air intake

[0078] 503 Matching limit device

[0079] 600 circumscribed circle

[0080] 700 Temperature Sensor Detailed Implementation

[0081] The following detailed description of the features and advantages of this utility model is sufficient to enable those skilled in the art to understand the technical content of this utility model and implement it accordingly. Furthermore, based on this specification, claims, and drawings, those skilled in the art can easily understand the related objectives and advantages of this utility model.

[0082] For ease of understanding, the directional terms such as "upper," "lower," "top," and "bottom" used in this manual are based on the upright position of the aerosol generating device.

[0083] One embodiment of the present invention provides an aerosol generation system, an aerosol generation device, and an aerosol generation article for the aerosol generation device. Preferably, the aerosol generation article includes an aerosol generation section, which has a disordered structure. The aerosol generation device is, for example, a heated smoking device 100. This heated smoking device 100 provides a user with inhalable aerosol by electromagnetically inducing the heating of the aerosol generation article. Electromagnetic heating is an excellent form of non-contact heating, and the application of a specially shaped heating element has little impact on other structures. The enclosed / unenclosed chamber in the heated smoking device used to place the aerosol generation article is the heating chamber. The heated smoking device 100 includes a power supply and a heating assembly.

[0084] All the following examples are based on randomized cigarettes with a diameter of 7.2 mm to 7.8 mm generated by aerosols, and are not limited to this type or size of tobacco medium. All relevant values ​​below are proportional to the diameter of the aerosol generated product.

[0085] like Figure 1The heating assembly disclosed in this invention, as shown in the illustration, comprises an electromagnetic induction emitter 200, a first induction heating element 301, and a second induction heating element 302. Preferably, the heating assembly may further include a third induction heating element 303 and a fourth induction heating element 304. (The term "induction element 300" in the following text refers to any one of the induction heating elements in the aerosol generating device, including the first induction heating element 301, the second induction heating element 302, the third induction heating element 303, and the fourth induction heating element 304.) The induction element 300 is disposed inside the electromagnetic induction emitter 200. The electromagnetic induction emitter 200 generates an alternating magnetic field through a circuit, causing the induction element 300 to be heated. All induction elements 300 are mounted on the base 400 as a whole. The electromagnetic induction emitter 200 can be fixed by a coil support 201 disposed around the heating cavity. Preferably, the electromagnetic induction emitter 200 should cover the induction element 300. Without increasing the complexity and size of the heating device, the shape and arrangement of the components in the heating assembly increase the heating area of ​​the aerosol-generated product, ensuring that it is heated evenly and fully.

[0086] A temperature sensor 700 is provided on the heating element for monitoring the temperature of the heating element. The temperature sensor 700 can be directly in contact with the heating element by bonding or welding. Preferably, the temperature sensor is located outside the electromagnetic induction range. Preferably, the electromagnetic induction transmitter 200 should cover the location where the temperature sensor 700 is located, to ensure that the temperature sensor generates its own heat by induced current in the magnetic field when in contact with the induction heating element, rather than the temperature sensor sensing the temperature due to the thermal conductivity of the metal. This ensures the independence and accuracy of the temperature measurement.

[0087] Figure 2 The diagram illustrates one embodiment of sensor 300. In this embodiment, three sensors 300 are arranged in a triangular, concentric configuration. Each sensor 300 has a puncture tip 305 at its top, and the sensor 300 is inserted into the aerosol-generating article during use. Optionally, the angle of the puncture tip 305 is less than 30°. All sensors 300 are mounted on a base 400 to form a single unit. Optionally, the sensors 300 are connected by a base connecting part 307, which is mounted on the base 400. To ensure smooth insertion of the aerosol-generating article, the sensor 300 is a stretched body with a uniform cross-section below the puncture tip 305.

[0088] Figure 3-AThe diagram illustrates one embodiment of the sensor 300. In this embodiment, the sensor 300 includes a first induction heating element 301, a second induction heating element 302, and a third induction heating element 303, which are uniformly distributed axially. The first induction heating element 301, the second induction heating element 302, and the third induction heating element 303 are integrally connected via a base connecting portion 307. Since the sensors are connected to each other via the base connecting portion 307, the area enclosed by the multiple heating elements constitutes an effective magnetic flux region, significantly increasing the intensity of the induced electromotive force compared to multiple independent heating elements.

[0089] The manufacturing method of this embodiment includes: Step 1, cutting the sheet material into the planar unfolded shape of the sensor 300 (e.g., Figure 3-B As shown in the figure, preferably, the induction heating element is formed into a planar unfolded state by means of sheet metal material through wire cutting or other methods; in step 2, the first induction heating element 301, the second induction heating element 302, and the third induction heating element 303 are respectively processed to the assembly position, preferably by means of stamping or bending. The manufacturing method of this embodiment reduces the complexity of the process and the production cost. The inductor formed by cold working avoids the influence of high-temperature processing on the magnetic permeability of materials such as stainless steel.

[0090] Figure 4 The diagram shows one embodiment of the base 400. The base 400 is used to fix the sensor 300 and connects to the heating appliance 100. The base 400 is provided with a slot 401 for mounting the sensor 300. The base 400 is mounted at the bottom of the heating chamber. Preferably, the base 400 may be provided with a limiting connection structure 402 to ensure that the induction heating element is mounted on the heating appliance 100 in one or more fixed directions. Preferably, the base 400 is made of a high-temperature resistant material, such as: (1) PEEK; (2) a metal that is not sensitive to magnetic induction, such as stainless steel; (3) a high-temperature ceramic, such as zirconium oxide, alumina, etc.

[0091] Figure 5 and Figure 6The diagram shows an embodiment of the base 400 and the sensor 300. The base 400 includes a first heating element support 403 and a second heating element support 404. The first heating element support 403 and the second heating element support 404 cooperate to fix the base connecting part 307 to the base 400. Preferably, the first heating element support 403 and the second heating element support 404 can be connected by clamping, snapping, riveting, or screw fixing. Preferably, the temperature sensor 700 is disposed in the cavity formed by the first heating element support 403 and the second heating element support 404, and is in close contact with the sensor 300. A support member can be provided between the temperature sensor 700 and the base 400 or between the induction heating element and the base 400. The support member can be made of high-temperature resistant silicone. The function of the support member is: 1. to use the elastic deformation of the high-temperature resistant flexible material to form a clamping force, so that the temperature sensor and the induction heating element are tightly attached, and the temperature sensor, the base, and the induction heating element are stably assembled; 2. to buffer the high temperature of the induction heating element and improve the life of the smoking device. Specifically, in this embodiment, the temperature sensor 700 is disposed between the sensor 300 and the second heating element support 404. The sensor 300 and the first heating element support 403 are provided with a first high-temperature resistant silicone 405, and a second high-temperature resistant silicone 406 is provided between the temperature sensor 700 and the second heating element support 404.

[0092] Preferably, the snap-fit ​​structure of the bracket 403 passes through the gap between the induction heating elements and snaps into the snap-fit ​​structure of the bracket 404. A first limiting structure is provided on the bracket 403, which restricts the movement of the first high-temperature resistant silicone 405 and clamps it onto the connecting portion 307 of the induction heating element. A sensor 700 is disposed between the bracket 404 and the connecting portion 307, and the sensor 700 is pressed against the base connecting portion 307 by a second high-temperature resistant silicone 406. A through hole is provided on the bracket 404 for the lead wire of the temperature sensor 700 to pass through.

[0093] Preferably, the sensor 300 can be arranged in a centrally symmetrical array, an axisymmetric arrangement, or a triangular layout.

[0094] The arrangement range of the sensors 300 does not exceed the range within which the aerosol-generating article is assembled in the heating chamber. If the edges of the sensors 300 are too close to the edges of the aerosol-generating article, it will hinder the insertion of the aerosol-generating article. Therefore, preferably, each sensor 300 maintains a certain distance from the edge of the projected area of ​​the aerosol-generating article when it is assembled in the heating chamber, that is, the diameter of the circumscribed circle formed by all the sensors 300 is smaller than the diameter of the aerosol-generating article. Preferably, this distance can be 1-2 mm.

[0095] A certain gap 306 is required between the sensors 300 to facilitate the insertion of the aerosol-generating article. The ratio of the gap 306 between the first induction heating element 301 and the second induction heating element 302 to the diameter of the aerosol-generating article is at least 1:7. Preferably, each gap 306 is greater than or equal to 1 mm. The more sensors 300 there are, the smaller the gap 306 will be. Preferably, the number of sensors 300 is 3-6.

[0096] Preferably, the sensors 300 form an inscribed circle. When the sensors 300 are arranged axially symmetrically, the inscribed circle has its center at the center of the base 400 and its radius equal to the length of the sensor 300 closest to the center. The size of the inscribed circle is positively correlated with the smooth insertion of the cigarette into the heated tobacco device. Preferably, the diameter of the inscribed circle is greater than or equal to 1 mm. Preferably, the ratio of the diameter of the inscribed circle to the diameter of the aerosol-generated product is 1:7 to 3:7.

[0097] Each inductor 300 can be either a needle heater or a plate heater. The width at its widest point of each inductor 300 is referred to as the radial length of the induction heating element. The ratio of the radial length of the first induction heating element 301 and / or the second induction heating element 302 to the diameter of the aerosol-generating article is 1:5 to 1:2. Preferably, the radial length of the inductor 300 is 1.5-3 mm. More preferably, the radial length of the inductor 300 is 2 mm. The inductor 300 can be bent radially, for example, as an arc-shaped heating plate.

[0098] Figures 7-A to 7-D and corresponding Figures 8-A to 8-D The following are four embodiments of sensor 300 arrangement.

[0099] like Figure 7-A and Figure 8-AThe diagram illustrates one embodiment of the sensor arrangement 300, including a first induction heating element 301, a second induction heating element 302, a third induction heating element 303, and a fourth induction heating element 304. All sensors 300 are plate heaters, uniformly distributed circumferentially. The first induction heating element 301 and the third induction heating element 303 are on the same plane; the second induction heating element 302 and the fourth induction heating element 304 are perpendicular to each other. The ratio of the diameter of the circumscribed circle formed by the first induction heating element 301, the second induction heating element 302, the third induction heating element 303, and the fourth induction heating element 304 to the diameter of the aerosol-generating product is 6:7 to 9:10. The ratio of the spacing between the first induction heating element 301, the second induction heating element 302, the third induction heating element 303, and the fourth induction heating element 304 to the diameter of the aerosol product is at least 1:7. The ratio of the inscribed circle formed by the first induction heating element 301, the second induction heating element 302, the third induction heating element 303, and the fourth induction heating element 304 to the diameter of the aerosol generating article is at least 2:7. When the heated aerosol generating article is in its normal use position, the first and second induction heating elements are located inside the heated aerosol generating article; the electromagnetic induction emitter can generate an alternating electromagnetic field to induce heating in the first and second induction heating elements, thereby heating the aerosol generating article.

[0100] like Figure 7-B and Figure 8-B The diagram illustrates one embodiment of the sensor arrangement 300, including a first induction heating element 301, a second induction heating element 302, a third induction heating element 303, and a fourth induction heating element 304. The first, second, and third induction heating elements 301, 302, and 303 are arc-shaped plate heaters, uniformly distributed circumferentially. Preferably, the arc-shaped structures of the first, second, and third induction heating elements are located on the same circumference. The fourth induction heating element 304 is located at the center of the first, second, and third induction heating elements 301, 302, and 303. The fourth induction heating element is a needle-type heater. The ratio of the spacing between the first, second, third, and fourth induction heating elements 301, 302, 303, and 304 to the diameter of the aerosol product is at least 1.5:7.

[0101] like Figure 7-C and Figure 8-CThe diagram illustrates one embodiment of the sensor arrangement 300, including a first induction heating element 301, a second induction heating element 302, a third induction heating element 303, and a fourth induction heating element 304. All sensors 300 are plate heaters, uniformly distributed circumferentially. The first induction heating element 301 and the third induction heating element 303 are disposed on the same plane; the second induction heating element 302 and the fourth induction heating element 304 are arranged in parallel. The ratio of the spacing between the first induction heating element 301, the second induction heating element 302, the third induction heating element 303, and the fourth induction heating element 304 to the diameter of the aerosol product is 2:7 to 2:1. The ratio of the inscribed circle formed by the first induction heating element 301, the second induction heating element 302, the third induction heating element 303, and the fourth induction heating element 304 to the diameter of the aerosol-generated product is at least 2:7.

[0102] like Figure 7-D and Figure 8-D The diagram illustrates one embodiment of the sensor 300 arrangement, including a first induction heating element 301, a second induction heating element 302, and a third induction heating element 303. The first, second, and third induction heating elements 301, 302, and 303 are plate-shaped heaters, uniformly distributed circumferentially, i.e., in a triangular arrangement. The ratio of the spacing between the first, second, and third induction heating elements 301, 302, and 303 to the diameter of the aerosol product is 1:7 to 2:1. The ratio of the inscribed circle formed by the first, second, and third induction heating elements 301, 302, and 303 to the diameter of the aerosol-generating product is at least 1:3. The ratio of the diameter of the circumscribed circle 600 formed by the first, second, and third induction heating elements to the diameter of the aerosol-generating product is 6:7 to 9:10.

[0103] Figure 9 , Figure 10 This is an embodiment of a heated smoking appliance 1 including an extractor 500. Because the total contact area between the aerosol-generating product and the heating element increases, the possibility of the aerosol-generating product sticking to the heating element increases. To ensure that the aerosol-generating product can be smoothly removed without sticking after heating, an extractor 500 is needed to extract the aerosol-generating product. The bottom of the extractor has a through hole 501 corresponding to the induction heating element, allowing the induction heating element to pass through the extractor. Preferably, the bottom of the extractor has an air inlet 502. Preferably, the extractor includes multiple air inlets arranged circumferentially. Preferably, the number of air inlets can be greater than or equal to the number of induction heating elements, with at least one air inlet located within at least one inscribed circle. Since the shape of the induction heating element requires the extractor to be installed in a specific mating manner, corresponding mating limiting devices 503 should be provided on the extractor and the heated smoking appliance to ensure that the extractor is installed in the correct installation direction.

[0104] Figure 11 This is one embodiment of the heated smoke appliance disclosed in this invention. The heated smoke appliance also includes a power supply connected to an electromagnetic induction transmitter, a temperature measuring circuit connected to a temperature sensor, a cooperating circuit system, a battery, and a housing.

[0105] like Figure 12 The figure shows the heating curve of a heating appliance according to an embodiment of the present invention. This heating curve records the heating curve of the heating appliance under no-load conditions.

[0106] The preheating temperature of the heated smoke appliance is around 330-350℃, the second stage temperature is around 300℃, and the long-term stable operating temperature is around 275℃. Traditional internal heating smoke appliances have a stable operating temperature of around 330℃.

[0107] Because of the temperature feedback circuit, the constant temperature range is the same in both no-load and loaded states. In this embodiment, the heating temperature of the heating element is also between 260-290℃ when under load. This temperature can be changed according to different cigarette states and the desired smoking effect.

[0108] The following is a comparison of flue gas release experiments using the temperature curves of the commercially available appliances mentioned above and the temperature curves of this embodiment:

[0109] Apparatus Total particulate matter (mg / cig) Nicotine (mg / cig) Conventional smoking apparatus 36.34 0.9337 Apparatus of the present scheme 37.13 0.9158

[0110] As can be seen, in terms of key parameters of the flue gas, this embodiment can achieve the same effect as conventional smoking devices at a heating temperature that is about 60°C lower. With further optimization of the temperature curve, even better release effect can be obtained.

[0111] Using the heated tobacco device of this embodiment and the traditional inner core heated tobacco device, the same random-order heated non-combustible cigarettes were smoked, and multiple sensory tests were conducted. The heated tobacco device of this embodiment can achieve the same or better sensory evaluation at a lower heating temperature compared to the traditional inner core heated tobacco device.

[0112] Compared to traditional internal resistance heating cigarette devices, the induction heating element used in this embodiment has a relatively low temperature control, which helps to improve device safety and reduce power consumption.

[0113] This invention discloses an aerosol generating device that is easy to operate, low in cost, produces excellent smoke, and is small in size.

[0114] The terminology and expressions used herein are for descriptive purposes only, and the invention should not be limited to these terms and expressions. The use of these terms and expressions does not imply the exclusion of any illustrative and descriptive equivalents (or parts thereof), and it should be recognized that various modifications that may exist should also be included within the scope of the claims. Other modifications, variations, and substitutions may also exist. Accordingly, the claims should be considered to cover all such equivalents.

[0115] Similarly, it should be noted that although the present invention has been described with reference to the specific embodiments described above, those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention, and various equivalent changes or substitutions can be made without departing from the spirit of the present invention. Therefore, any changes or modifications to the above embodiments within the scope of the essential spirit of the present invention will fall within the scope of the claims of the present invention.

Claims

1. An aerosol generating apparatus for heating an aerosol generating product to generate an aerosol, characterized in that, Including power supply and heating components, The power source is used to supply power to the heating assembly; The heating assembly includes an electromagnetic induction emitter (200) and an inductor (300). The inductor (300) includes a first induction heating element (301) and a second induction heating element (302). When the heated aerosol generating product is in the normal use position, the first induction heating element (301) and the second induction heating element (302) are located inside the heated aerosol generating product. The electromagnetic induction transmitter (200) can generate an alternating electromagnetic field to induce heating in the first induction heating element (301) and the second induction heating element (302), thereby heating the aerosol-generated product.

2. The aerosol generating apparatus according to claim 1, characterized in that, The interval (306) between the first induction heating element (301) and the second induction heating element (302) is at least 1:7 in ratio to the diameter of the aerosol-generating article.

3. The aerosol generating apparatus according to claim 1, characterized in that, The ratio of the radial length of the first induction heating element (301) and / or the second induction heating element (302) to the diameter of the aerosol-generated product is 1:5 to 1:

2.

4. The aerosol generating apparatus according to claim 1, characterized in that, It also includes a third induction heating element (303), wherein the first induction heating element (301), the second induction heating element (302) and the third induction heating element (303) are evenly distributed in the circumferential direction; The diameter of the circumscribed circle (600) formed by the first induction heating element (301), the second induction heating element (302), and the third induction heating element (303) is 6:7 to 9:10 with respect to the diameter of the aerosol-generated product. The ratio of the diameter of the inscribed circle formed by the first induction heating element (301), the second induction heating element (302), and the third induction heating element (303) to the diameter of the aerosol-generated product is 1:7 to 3:

7.

5. The aerosol generating apparatus according to claim 4, characterized in that, It also includes a fourth induction heating element (304), which is located at the center of the first induction heating element (301), the second induction heating element (302) and the third induction heating element (303); The fourth induction heating element (304) is a needle heater.

6. The aerosol generating apparatus according to claim 1, characterized in that, It also includes a third induction heating element (303) and a fourth induction heating element (304), wherein the first induction heating element (301), the second induction heating element (302), the third induction heating element (303) and the fourth induction heating element (304) are evenly distributed in the circumferential direction; The diameter of the circumscribed circle (600) formed by the first induction heating element (301), the second induction heating element (302), the third induction heating element (303), and the fourth induction heating element (304) is 6:7 to 9:10 with respect to the diameter of the aerosol-generated product. The ratio of the diameter of the inscribed circle formed by the first induction heating element (301), the second induction heating element (302), the third induction heating element (303), and the fourth induction heating element (304) to the diameter of the aerosol-generated product is 1:7 to 3:

7.

7. The aerosol generating apparatus according to claim 6, characterized in that, The first induction heating element (301), the second induction heating element (302), the third induction heating element (303) and the fourth induction heating element (304) are plate heaters; The first induction heating element (301) and the third induction heating element (303) are on the same plane; The second induction heating element (302) and the fourth induction heating element (304) are on the same plane or perpendicular to each other.

8. The aerosol generating apparatus according to claim 1, characterized in that, The first induction heating element (301) and the second induction heating element (302) are provided with puncture tips at their tops, and the angle of the puncture tips does not exceed 30°.

9. The aerosol generating apparatus according to claim 1, characterized in that, It also includes an extractor (500), which includes a through hole (501) at the bottom of the extractor for the induction heating element to pass through; The extractor (500) is equipped with a matching limiting device (503) on the aerosol generating device to limit the installation direction of the extractor (500).

10. The aerosol generating apparatus according to claim 1, characterized in that, The first induction heating element (301) and the second induction heating element (302) are integrally formed.

11. The aerosol generating apparatus according to claim 1, characterized in that, It also includes a base (400) for fixing the first induction heating element (301) and the second induction heating element (302). The first induction heating element (301) and the second induction heating element (302) are connected by a base connecting part (307), which is disposed inside the base (400).

12. The aerosol generating apparatus according to claim 11, characterized in that, The base (400) is provided with a limiting connection structure (402) to ensure that the first induction heating element (301) and the second induction heating element (302) are installed on the aerosol generating device in one or more fixed directions.

13. The aerosol generating apparatus according to claim 11, characterized in that, The base (400) is provided with a slot (401) for assembling the base connecting part (307).

14. The aerosol generating apparatus according to claim 11, characterized in that, The base (400) includes a first heating element bracket (403) and a second heating element bracket (404), which cooperate to fix the base connecting part (307) to the base (400).

15. The aerosol generating apparatus according to claim 14, characterized in that, It also includes a temperature sensor (700), which is disposed in the cavity formed by the first heating element bracket (403) and the second heating element bracket (404) and is in close contact with the base connection part (307).

16. The aerosol generating apparatus according to claim 15, characterized in that, A support is provided between the temperature sensor (700) and the base (400).

17. The aerosol generating apparatus according to any one of claims 1-16, characterized in that, The induction heating element of the sensor includes at least one plate-type induction heating element.

18. An aerosol generation system, characterized in that, The invention includes any one of the aerosol generating apparatuses according to claims 1-16 and the aerosol generating article for the aerosol generating apparatus, wherein the aerosol generating article includes an aerosol generating section, and the aerosol generating section has a disordered structure.

19. A method for manufacturing a sensor (300) for any of the aerosol generating apparatuses described in claims 1-16, characterized in that, The first induction heating element (301) and the second induction heating element (302) are integrally connected via a base connecting part (307), and the manufacturing method includes: Step 1: Cut the sheet material into a planar unfolded shape in which the first induction heating element (301) and the second induction heating element (302) are integrally connected by the base connecting part (307); Step 2: Bend the first induction heating element (301) and the second induction heating element (302) to the working position near the base connection part (307).

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